P-5

Ancillary Services Prices, Day Ahead Market

04/28/2007

Time StampEastWest
10 Min Spinning Reserve ($/MWHr)10 Min Non-Synchronous Reserve ($/MWHr)30 Min Operating Reserve ($/MWHr)Regulation ($/MWHr)10 Min Spinning Reserve ($/MWHr)10 Min Non-Synchronous Reserve ($/MWHr)30 Min Operating Reserve ($/MWHr)Regulation ($/MWHr)
00:000.250.250.25450.250.250.2545
01:000.250.250.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.250.250.25450.250.250.2545
06:003.493.490.2583.170.250.250.2583.17
07:009.593.090.589.5870.50.589.58
08:0070.840.58070.840.580
09:009.593.090.54570.50.545
10:009.923.420.54570.50.545
11:009.593.090.54570.50.545
12:009.563.060.54570.50.545
13:009.563.060.54570.50.545
14:0073.060.54573.060.545
15:0073.060.54573.060.545
16:0073.050.54573.050.545
17:007.953.050.54572.10.545
18:0073.050.54573.050.545
19:0010.053.550.54570.50.545
20:0011.923.890.54570.50.545
21:009.593.090.54570.50.545
22:008.852.350.54570.50.545
23:002.692.690.25450.250.250.2545